:root {
    --bg-dark: #0a0e17;
    --bg-card: #121826;
    --bg-card-hover: #182235;
    --primary: #00f2fe;
    --primary-glow: rgba(0, 242, 254, 0.35);
    --secondary: #4facfe;
    --accent: #ff007f;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border: #1f293d;
    --border-glow: #00f2fe55;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

/* NAVBAR */
.navbar {
    background: rgba(18, 24, 38, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
}
.brand-logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}
.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}
.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* BUTTONS */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.25s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #05101e;
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 242, 254, 0.05);
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* HERO SECTION */
.hero {
    padding: 70px 20px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(10, 14, 23, 0) 70%);
    z-index: -1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.3);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}
.hero-title span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 680px;
    margin: 0 auto 30px;
}

/* MAIN CONTAINER */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

/* CARDS & GRIDS */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 24px;
}
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 242, 254, 0.1);
}
.tool-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}
.tool-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(79, 172, 254, 0.1));
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
}
.tool-title {
    font-size: 1.2rem;
    font-weight: 700;
}
.tool-version {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text-muted);
}
.tool-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}
.tool-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: auto;
}
.tool-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}
.tool-price small {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: normal;
}

/* TABLES & LISTS */
.table-responsive {
    overflow-x: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}
.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.table th, .table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.table tr:last-child td {
    border-bottom: none;
}
.table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* BADGES */
.badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-primary { background: rgba(0, 242, 254, 0.15); color: var(--primary); }

/* FORMS */
.form-group {
    margin-bottom: 18px;
}
.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

/* FOOTER */
.footer {
    margin-top: auto;
    background: rgba(18, 24, 38, 0.95);
    border-top: 1px solid var(--border);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}